cold air. more cold air can be crammed into the tube and intake mani. not so much hot/warm air.
and besides short rams will just suck hot air anyway. Cold air gets the benefits of performance. and you get a cool noise.lol just watch for puddles that are deep.
To be honest this debate has raged on for long time in the community. Most will say that SRI has it's benefit..shorter tube no bends...Than the CAI crowd will shout Cold Air...
For this car..i have to say CAI! I have the fujita on...Quality Piece..Worth the $200shipped I paid!